E R WATTS & Son 8" PRECISION BLOCK LEVEL. No. 99795 Original Bakelite box. Predates 1948
E. R. Watts & son was a British company specializing in the manufacture of surveying and other precision instruments, particularly theodolites. In 1948 the company amalgamated with Adam Hilger as HILGER & WATTS and became a PLC
This is from my late brothers vast collection of interesting and sometimes strange items. I will be listing more over the coming weeks (or perhaps months!)
If you have any questions or would like more pictures please ask